Home / 1,049,765.70-1,574,648.55-839,813.70

Finding the Fourth Proportional to 1,049,765.70, 1,574,648.55 and 839,813.70

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Solution

The fourth proportional to 1,049,765.70, 1,574,648.55 and 839,813.70 is: 1,259,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,765.70 : 1,574,648.55 = 839,813.70 : x
  2. Step 2: Convert to fraction form
    1,049,765.70/1,574,648.55 = 839,813.70/x
  3. Step 3: Cross multiply
    1,049,765.70x = 1,574,648.55 × 839,813.70
  4. Step 4: Simplify right side
    1,049,765.70x = 1,322,411,424,975.14
  5. Step 5: Solve for x
    x = 1,322,411,424,975.14/1,049,765.70
  6. Step 6: Final answer
    x = 1,259,720.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.